نتایج جستجو برای: mpc
تعداد نتایج: 9004 فیلتر نتایج به سال:
توزیع ناعادلانۀ آب در شبکههای آبیاری، لـزوم استفاده از روشهای کارآمدتر مانند بهرهگیری از روشهای خودکارسازی را میطلبد. تحقیق حاضر میزان توانایی سامانۀ کنترل خودکار سراسری پیشبین (MPC) و سامانۀ کنترل موضعی تناسبی-انتگرالی (PI) را در بهبود توزیع عادلانۀ آب در کانال اصلی شبکۀ آبیاری رودشت بررسی میکند. مقایسۀ این ساما...
purpose : to compare the 6-months anatomic and best corrected visual acuity (bcva) responses after primary intravitreal bevacizumab (ivb intravitreal avastin) and ivb plus macular photocoagulation (mpc) in diabetics with clinically significant macular edema (csme) methods : in this interventional randomized clinical trial (rct) 40 diabetics (80 eyes) with bilateral csme and non-proliferative di...
purpose: to compare the results of intravitreal bevacizumb (ivb) injection alone or in combination with intravitreal triamcinolone acetonide (ivt) versus macular laser photocoagulation (mpc) as primary treatment of diabetic macular edema (dme). methods: in this randomized clinical trial, 150 eyes of 129 patients with clinical dme and no previous treatment were enrolled. the eyes were randomly a...
Model predictive control (MPC) based methods are gaining more and more attention in power converters and electrical drives. Nevertheless, high computational burden of MPC is an obstacle for its application, especially when the prediction horizon increases extends. At the same time, increasing the prediction horizon leads to a superior response. In this paper, a long horizon MPC is proposed to c...
this paper develops new results on the use of model predictive control to regulate the attitude of a ground station antenna. two degree of freedom az-el pedestal is considered as ground station antenna. permanent magnet synchronous motors are taken into consideration as the best choice for satisfaction of control objectives as actuators. the design is based on a two cascade controller consist o...
Plant height of sunflower is a major agronomic trait affecting crop performance in the field and its adaptation to mechanical harvest. Field experiments were conducted to study the effect of foliar application of paclobutrazol (PBZ) at 12.5 g ai/ha, mepiquat chloride (MPC) at 25.0 g ai/ha and chlormequat chloride (CCC) at 1,500 g ai/ha in single or double applications on sunflower plant mor...
This study is concerned with the real-time delay recovery problem in metro loop lines. Metro is the backbone of public transportation system in large cities. A discrete event model for traffic system of metro loop lines is derived and presented. Two effective automatic controllers, linear quadratic regulator (LQR) and model predictive controller (MPC), are used to recover train delays. A newly-...
In this paper, the event-triggered strategy in the case of finite-horizon model predictive control (MPC) is studied and its advantages over the input to state stability (ISS) Lyapunov based triggering rule is discussed. In the MPC triggering rule, all the state trajectories in the receding horizon are considered to obtain the triggering rule. Clearly, the finite horizon MPC is sub-optimal with ...
We present an analysis of Hubble Space Telescope/WFPC2 images of nine nearby galaxies in Sculptor. We derive their distances from the luminosity of the tip of the red giant branch stars with a typical accuracy of ∼ 12 %. Their distances are 4.21 Mpc (Sc 22), 4.92 Mpc (DDO 226), 3.94 Mpc (NGC 253), 3.40 Mpc (KDG 2), 3.34 Mpc (DDO 6), 3.42 Mpc (ESO 540-030), 4.43 Mpc (ESO 245–05), 4.27 Mpc (UGCA ...
مقدمه: یک روش درمانی تحلیل خارجی ریشه، افزایش PH سطح عاج به واسطه کاربرد داخل کانال مواد می باشد. هدف از این مطالعه مقایسه تغییرات pH در حفرات شبیه سازی شده سطح خارجی ریشه بدنبال استفاده داخل کانال بیودنتین و سمان پرتلند تغییریافته (MPC) بود. مواد و روش ها: در این مطالعه آزمایشگاهی، 24 جفتدندان تک کانال انسانی به طور تصادفی در دو گروه 20 جفتی (بیودنتین و MPC) و 4 جفتی کنترل (هیدروکسید کلسیم و ...
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